Samsung model SR-L38NMB refrigerator

My refrigerator started making a low ticking noise on the bottom freezer, I turned it off left in off for a while and turned in on again. It started and ran for aprox 5 seconds and cut off and the indicator light number six on the panel started flashing, its been like this ever since. I tried disconecting it from the mais plug and plaging it back on and it does the same think.
What is the problem? the fans come on, compressor comes on and everything seems to work for those few seconds before it cuts off.
Help!!

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There are a couple of reasons it could be. If the freezer has a fan unit the fan may need tightening or the bearing is shot, or the compressor is low on gas and making the unit to work harder, hence the seemingly louder noise.

We found that the problem was the sensor that regulates the evaporator flap. Replace that and it should cure the problem. Each light represents a certain sensor in the fridge, if that sensor isn't working, the according light will flash

Yes, I had this problem. $85 visit from a very condescending repair man located a piece of old hard cheese that had become wedged in and stopped the thing from turning - the noise had been terrible. Fixed in 2 minutes - embarrassment lasted much longer.